`codefour.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:a692^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:31c0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.192^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.146^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`rayden.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayden.ns.cloudflare.com`
		A	108.162.195.163^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	162.159.44.163^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	172.64.35.163^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=OZ8OJbCQSUJTf3390vyHRuU_ff2hfkjbDCgNMlPUnnE`
TXT	`google-site-verification=P51j1ZTdD1R6AdcEwvcXawujPGezf5wbO4GiUoo-prM`
TXT	`google-site-verification=YvqabnAQw9L6tpBMxUdzsG9EfJLO2ugrnYqr2m5lq54`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.192, 172.67.166.146
		IPv6 hints	2606:4700:3032::ac43:a692, 2606:4700:3037::6815:31c0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=145, name=cloudflare-ech.com
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2406540095

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1781140047

Same first word

codefour.net

codefour.org

codefour.com

codefour.xyz

codefour.com.au

codefour.tv

codefour.us

Similar names

duoforce.com

fourcode.net

codeforu.com

fooducer.com

fourcode.com

codeforu.net

forceduo.com

DNS History

17 records (11 active, 6 former)

●NSada.ns.cloudflare.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

○NSns25.domaincontrol.com2015-06-09 → 2017-04-01 · 4 obs

● 2015-06-09 01:38:54
● 2017-04-01 00:27:50
○ 2026-06-01 22:50:16
○ 2026-06-11 01:24:46

○NSns26.domaincontrol.com2015-06-09 → 2017-04-01 · 4 obs

● 2015-06-09 01:38:54
● 2017-04-01 00:27:50
○ 2026-06-01 22:50:16
○ 2026-06-11 01:24:46

●NSrayden.ns.cloudflare.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●MXalt1.aspmx.l.google.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●MXalt2.aspmx.l.google.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●MXalt3.aspmx.l.google.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●MXalt4.aspmx.l.google.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●MXaspmx.l.google.com2026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

○MXmailstore1.secureserver.net2015-06-09 → 2017-04-01 · 4 obs

● 2015-06-09 01:38:54
● 2017-04-01 00:27:50
○ 2026-06-01 22:50:16
○ 2026-06-11 01:24:46

○MXsmtp.secureserver.net2015-06-09 → 2017-04-01 · 4 obs

● 2015-06-09 01:38:54
● 2017-04-01 00:27:50
○ 2026-06-01 22:50:16
○ 2026-06-11 01:24:46

●A104.21.49.1922026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●A172.67.166.1462026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

○A184.168.192.662015-06-09 → 2016-04-18 · 4 obs

● 2015-06-09 01:38:54
● 2016-04-18 02:27:08
○ 2017-04-01 00:27:50
○ 2026-06-11 01:24:46

●A2606:4700:3032::ac43:a6922026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

●A2606:4700:3037::6815:31c02026-06-01 → 2026-06-11 · 3 obs

○ 2017-04-01 00:27:50
● 2026-06-01 22:50:16
● 2026-06-11 01:24:46

○A45.40.164.1292017-04-01 → 2017-04-01 · 4 obs

○ 2016-04-18 02:27:08
● 2017-04-01 00:27:50
○ 2026-06-01 22:50:16
○ 2026-06-11 01:24:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, y.cctld.us, f.cctld.us...	-
codefour.us	ada.ns.cloudflare.com, rayden.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.54

NS records: ada.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codefour.us (unsigned zone)

⏱️ Timing

Total: 2519ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.146, 104.21.49.192`
AAAA	2	`2606:4700:3037::6815:31c0, 2606:4700:3032::ac43:a692`
NS	2	`ada.ns.cloudflare.com, rayden.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=OZ8OJbCQSUJTf33, google-site-verification=P51j1ZTdD1R6Adc...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

codefour.us points to four IP numbers: 104.21.49.192, 172.67.166.146, 2606:4700:3032::ac43:a692 and 2606:4700:3037::6815:31c0.

ramanandttcollege.org, netmirrors.org, git5share.bond and two other host names share IP numbers with codefour.us.

Name Servers

codefour.us is delegated to two name servers: ada.ns.cloudflare.com and rayden.ns.cloudflare.com.

codefour.us uses the same name servers as several other domains — among them cps-technology.com, dbs.it, easyamulet.com and two more.

codefour.us has at least partial name server overlap with other domains, such as we-frostedpg.com, filmx.pro, sylixiang.com and two others.

These name servers tend to appear together with the name servers dorthy.ns.cloudflare.com, syeef.ns.cloudflare.com and jen.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ada.ns.cloudflare.com resolves to 108.162.192.54, 172.64.32.54, 173.245.58.54 and 3 other IP addresses.

rayden.ns.cloudflare.com resolves to 108.162.195.163, 162.159.44.163, 172.64.35.163 and 3 other IP addresses.

Mail Servers

codefour.us is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

codefour.us has at least partial mail server overlap with other domains such as ns500737.ns500724.ns500724.ns500599.ns500599.ns500599.ns500697.ns500697.ns500583.www.yummyflingsfinder.com, ns500758.ns500698.ns500758.ns500758.ns500758.ns500735.ns500735.ns500736.ns500736.ns500736.ns500735.ns500735.ns500735.ns500708.ns500619.ns500576.ns500652.trackreceptor.com, ns500742.ns500754.ns500671.ns500742.ns500671.ns500704.ns500688.ns500671.ns500671.ns500291.ns500688.ns500291.ns500666.ns500291.ns500131.lustychickser.com and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 173.194.45.26 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.

codefour.us - robtex.com

codefour.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`codefour.us`

`us`